Home / 909,116.39-1,363,665.58-348,150.89

Finding the Fourth Proportional to 909,116.39, 1,363,665.58 and 348,150.89

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Solution

The fourth proportional to 909,116.39, 1,363,665.58 and 348,150.89 is: 522,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,116.39 : 1,363,665.58 = 348,150.89 : x
  2. Step 2: Convert to fraction form
    909,116.39/1,363,665.58 = 348,150.89/x
  3. Step 3: Cross multiply
    909,116.39x = 1,363,665.58 × 348,150.89
  4. Step 4: Simplify right side
    909,116.39x = 474,761,387,878.15
  5. Step 5: Solve for x
    x = 474,761,387,878.15/909,116.39
  6. Step 6: Final answer
    x = 522,222.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.